As if all that wasn't exciting enough, the London episodes also feature Karl Kennedy as his wife Susan urges him to head to Britain too – hoping he can convince Toadie to see sense, return to Ramsay Street and be there for pregnant Sonya.

Fans can look forward to seeing a host of familiar locations, including Buckingham Palace, the Houses of Parliament, Trafalgar Square, Piccadilly Circus and the London Eye.

Neighbours' executive producer Jason Herbison commented: "It's just a small way of saying thanks to our incredible UK audience which have remained loyal since day one, and the London backdrop was perfect for the dramatic twist the Toadie, Dee and Sonya storyline is about to take."

Channel 5 commissioner Greg Barnett added: "This week promises another unmissable and dramatic series of events in Neighbours, as the ongoing Toadie/Dee storyline reaches a point of no return, against the backdrop of London.

"Given the heritage this much-loved Australian series has with UK viewers, it's an extra treat for fans that such dramatic developments take place here in the UK."

Neighbours last filmed in London ten years ago, when Karl and Susan renewed their wedding vows in a heartwarming ceremony on the Thames.

Ryan Moloney, who plays Toadie, commented: "Of all my storylines over the years, Dee's disappearance is definitely one I'm most asked about, so it's great that we're able to add an international element to this latest chapter."

Alan Fletcher, better known as Dr Karl, added: "I'm continually asked by fans on social media about Neighbours coming to London to film, so I was thrilled when the producers told me we were doing this, particularly for such a big storyline."

Neighbours airs the London scenes between Monday, March 20 and Friday March 24 at 1.45pm and 5.30pm on Channel 5.